@After
public void tearDown() {
System.out.println("Stm.GlobalConflictCount: " + stm.getGlobalConflictCounter().count());
for (GammaTxnLong ref : refs) {
System.out.println(ref.toDebugString());
}
}
@Test
public void whenReadLockAcquiredByOther_thenIncrementSucceedsButCommitFails() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
GammaTxn otherTx = transactionFactory.newTxn();
ref.getLock().acquire(otherTx, LockMode.Read);
GammaTxn tx = transactionFactory.newTxn();
setThreadLocalTxn(tx);
ref.increment(5);
try {
tx.commit();
fail();
} catch (ReadWriteConflict expected) {
}
assertIsAborted(tx);
assertVersionAndValue(ref, initialVersion, initialValue);
assertRefHasReadLock(ref, otherTx);
assertReadLockCount(ref, 1);
}
public void doRun() {
GammaTxnLong ref = new GammaTxnLong(stm);
// FatArrayTreeGammaTxn tx = new FatArrayTreeGammaTxn(stm);
// FatArrayGammaTxn tx = new FatArrayGammaTxn(stm,1);
FatMonoGammaTxn tx =
new FatMonoGammaTxn(
new GammaTxnConfig(stm)
.setReadLockMode(LockMode.Exclusive)
.setDirtyCheckEnabled(false));
long startMs = System.currentTimeMillis();
for (long k = 0; k < transactionCount; k++) {
ref.openForWrite(tx, LOCKMODE_EXCLUSIVE).long_value++;
tx.commit();
tx.hardReset();
// if (k % 100000000 == 0 && k > 0) {
// System.out.printf("%s is at %s\n", getName(), k);
// }
}
assertEquals(transactionCount, ref.atomicGet());
durationMs = System.currentTimeMillis() - startMs;
System.out.printf("Multiverse> %s is finished in %s ms\n", getName(), durationMs);
}
@Test
public void whenFound() {
GammaTxnLong ref = new GammaTxnLong(stm);
GammaTxn tx = newTransaction();
Tranlocal tranlocal = ref.openForRead(tx, LOCKMODE_NONE);
Tranlocal found = tx.locate(ref);
assertSame(tranlocal, found);
assertIsActive(tx);
}
@Test
public void whenNotFound() {
GammaTxnLong ref = new GammaTxnLong(stm);
GammaTxnLong otherRef = new GammaTxnLong(stm);
GammaTxn tx = newTransaction();
ref.openForRead(tx, LOCKMODE_NONE);
Tranlocal found = tx.locate(otherRef);
assertNull(found);
assertIsActive(tx);
}
@Test
public void whenNoTransaction_thenTxnMandatoryException() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
try {
ref.increment(5);
fail();
} catch (TxnMandatoryException expected) {
}
assertVersionAndValue(ref, initialVersion, initialValue);
}
@Test
public void whenSuccess() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
GammaTxn tx = transactionFactory.newTxn();
setThreadLocalTxn(tx);
ref.increment(5);
tx.commit();
assertIsCommitted(tx);
assertVersionAndValue(ref, initialVersion + 1, initialValue + 5);
}
@Test
public void whenPreparedTransactionFound_thenPreparedTxnException() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
GammaTxn tx = transactionFactory.newTxn();
setThreadLocalTxn(tx);
tx.prepare();
try {
ref.increment(5);
fail();
} catch (PreparedTxnException expected) {
}
assertIsAborted(tx);
assertVersionAndValue(ref, initialVersion, initialValue);
}
@Test
public void whenListenersAvailable() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
long amount = 4;
TxnLongAwaitThread thread = new TxnLongAwaitThread(ref, initialValue + amount);
thread.start();
sleepMs(500);
GammaTxn tx = transactionFactory.newTxn();
setThreadLocalTxn(tx);
ref.increment(amount);
tx.commit();
joinAll(thread);
assertVersionAndValue(ref, initialVersion + 1, initialValue + amount);
}
@Test
public void whenReadonlyTransaction_thenReadonlyException() {
long initialValue = 10;
GammaTxnLong ref = new GammaTxnLong(stm, initialValue);
long initialVersion = ref.getVersion();
GammaTxn tx =
stm.newTxnFactoryBuilder()
.setReadonly(true)
.setSpeculative(false)
.newTransactionFactory()
.newTxn();
setThreadLocalTxn(tx);
try {
ref.increment(5);
fail();
} catch (ReadonlyException expected) {
}
assertIsAborted(tx);
assertVersionAndValue(ref, initialVersion, initialValue);
}
@Test
public void test() {
final GammaTxnLong ref = new GammaTxnLong(stm);
WaitThread t = new WaitThread(ref);
t.start();
sleepMs(1000);
assertAlive(t);
stm.getDefaultTxnExecutor()
.execute(
new TxnVoidCallable() {
@Override
public void call(Txn tx) throws Exception {
GammaTxn btx = (GammaTxn) tx;
Tranlocal write = ref.openForWrite(btx, LOCKMODE_NONE);
write.long_value = 1;
}
});
joinAll(t);
assertEquals(2, ref.atomicGet());
}